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delta

Delta is a term with several distinct meanings across geography, mathematics, aviation, biology, and finance. In geography, a delta is a landform at the mouth of a river where sediment deposits create a triangular or fan-shaped plain. The term is exemplified by the Nile and Mississippi deltas, though deltas vary in shape and size depending on sediment supply and flow. The name derives from the Greek letter delta (Δ, δ), which historically resembled a triangle.

In mathematics and science, delta denotes change or difference. The uppercase Delta (Δ) is commonly used to

Delta Airlines is a major American airline based in Atlanta, Georgia, and a member of the SkyTeam

Delta is also used in virology to name the SARS-CoV-2 variant B.1.617.2, designated by the World Health

In finance, the delta of an option measures its sensitivity to changes in the price of the

Etymologically, delta stems from the Greek letter delta, which itself means "triangle" and is the fourth letter

indicate
a
difference
between
two
values
(for
example,
Δx
is
the
change
in
x).
The
lowercase
delta
(δ)
has
other
uses,
such
as
small
changes
or
uncertainty,
and
the
Dirac
delta
is
a
distribution
used
in
physics
and
engineering.
alliance.
It
operates
an
extensive
domestic
and
international
network
and
traces
its
origins
to
1924
as
Huff
Daland
Dusters.
Organization
as
the
Delta
variant
after
being
first
detected
in
India
in
2020
and
recognized
as
a
variant
of
concern
in
2021;
it
became
a
dominant
strain
in
many
regions.
underlying
asset.
of
the
Greek
alphabet.